Advertising disc



FIG. 1 is a top, back, and left side perspective of an embodiment of an advertising disc embodying my new design.

FIG. 2 is a back elevation view thereof.

FIG. 3 is a right side elevation view thereof; and,

FIG. 4 is a reduced scale top, front, and right side perspective thereof on a toy robot.

Portions shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an advertising disc, as shown and described. 